| Castelldefels to Montigny-les-Metz | 577.13 mi (928.81 km) |
| Castelldefels to Montivilliers | 577.64 mi (929.62 km) |
| Castelldefels to Montlouis-sur-Loire | 425.83 mi (685.32 km) |
| Castelldefels to Montlucon | 351.06 mi (564.97 km) |
| Castelldefels to Montmagny | 531.88 mi (855.98 km) |
| Castelldefels to Montmorency | 533.02 mi (857.81 km) |
| Castelldefels to Montpellier | 188.00 mi (302.55 km) |
| Castelldefels to Montreuil | 524.30 mi (843.77 km) |
| Castelldefels to Montrouge | 521.04 mi (838.53 km) |
| Castelldefels to Morangis | 513.41 mi (826.26 km) |
| Castelldefels to Morieres-les-Avignon | 236.59 mi (380.75 km) |
| Castelldefels to Morlaix | 578.25 mi (930.61 km) |
| Castelldefels to Morsang-sur-Orge | 510.35 mi (821.33 km) |
| Castelldefels to Mouans-Sartoux | 301.57 mi (485.33 km) |
| Castelldefels to Mougins | 301.85 mi (485.78 km) |
